package com.example.Exercises;

public class lianxi {
    public static void main(String[] args) {
        String s = "aaa";

        switch(s){
            case"aaa":
                System.out.println("你好");

            case"bbb":
                System.out.println("美丽");

            case"ccc":
                System.out.println("中国");

        }
    }

}
